/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.yarn.sls.scheduler;

import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.api.records.SchedulingRequest;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Allocation;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerUpdates;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
import org.apache.hadoop.yarn.sls.SLSRunner;

import java.util.List;

@Private
@Unstable
public interface SchedulerWrapper {
  SchedulerMetrics getSchedulerMetrics();

  Tracker getTracker();

  String getRealQueueName(String queue) throws YarnException;

  void propagatedHandle(SchedulerEvent schedulerEvent);

  Allocation allocatePropagated(ApplicationAttemptId attemptId,
      List<ResourceRequest> resourceRequests,
      List<SchedulingRequest> schedulingRequests,
      List<ContainerId> containerIds,
      List<String> blacklistAdditions,
      List<String> blacklistRemovals,
      ContainerUpdates updateRequests);

  void setSLSRunner(SLSRunner runner);

  SLSRunner getSLSRunner();
}
